CN216184435U - Locking device, trade electric system base and electric vehicle - Google Patents
Locking device, trade electric system base and electric vehicle Download PDFInfo
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- CN216184435U CN216184435U CN202122650816.7U CN202122650816U CN216184435U CN 216184435 U CN216184435 U CN 216184435U CN 202122650816 U CN202122650816 U CN 202122650816U CN 216184435 U CN216184435 U CN 216184435U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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Abstract
The utility model relates to the technical field of battery replacing equipment, and provides a locking device, a battery replacing system base and an electric vehicle, wherein the locking device comprises: the locking device comprises a locking main body and a locking pin, wherein a locking piece capable of sliding along the radial direction of the locking main body is arranged on the locking main body; the locking pin is arranged in the locking main body, and an unlocking groove is formed in the locking pin; the locking pin has a locked state and an unlocked state; in a locking state, the side wall of the locking pin is abutted with the locking piece so that the locking piece protrudes out of the outer wall of the locking main body; in the unlocked state, the unlocking groove is aligned with the locking member so that the locking member is adapted to slide into the locking body; and the driving piece is connected with the locking pin and is suitable for driving the locking pin to act so as to switch between a locking state and an unlocking state. The locking device, the battery replacement system base and the locking and unlocking process of the electric vehicle are simple, and quick replacement of the battery box is facilitated.
Description
Technical Field
The utility model relates to the technical field of battery replacement equipment, in particular to a locking device, a battery replacement system base and an electric vehicle.
Background
The electric automobile using the battery pack as the power energy storage mechanism is still low in charging efficiency due to the fact that the power battery is influenced by battery materials, and the endurance of the automobile cannot be guaranteed by completing quick charging in a short time, so that the quick battery replacement is an effective mode for guaranteeing the endurance of the automobile. In the prior art, when the battery box is fixed, the fixing structure is complex, the operation is inconvenient, and the quick replacement of the battery box is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model provides a locking device, a battery replacement system base and an electric vehicle, which are used for solving the problem that a fixing structure of a battery box in the prior art is complex.
The present invention provides a locking device, comprising:
the locking device comprises a locking body, a locking mechanism and a locking mechanism, wherein the locking body is provided with a locking piece which can slide along the radial direction of the locking body;
the locking pin is arranged in the locking main body, and an unlocking groove is formed in the locking pin; the locking pin has a locked state and an unlocked state; in the locking state, the side wall of the locking pin is abutted against the locking piece so that the locking piece protrudes out of the outer wall of the locking main body; in the unlocked state, the unlocking slot is aligned with the locking member so that the locking member is adapted to slide into the locking body;
the driving piece is connected with the locking pin and is suitable for driving the locking pin to act so as to switch between the locking state and the unlocking state.
According to the locking device provided by the utility model, the locking pin is connected with the locking main body in a sliding mode and is suitable for sliding along the axial direction of the locking main body so as to switch between the locking state and the unlocking state.
According to the locking device provided by the utility model, the driving piece is an electric cylinder which is respectively connected with the locking main body and the locking pin so as to be suitable for driving the locking pin to slide along the axial direction of the locking main body.
According to the locking device provided by the utility model, the electric cylinder is provided with the position sensor, and the position sensor is connected with the control circuit of the electric cylinder and is used for obtaining the position information of the locking pin.
According to the locking device provided by the utility model, the locking pin is rotatably connected to the locking body and is suitable for axial rotation to switch between the locking state and the unlocking state.
According to the locking device provided by the utility model, the driving piece is a driving motor, and the driving motor is in transmission connection with the locking pin through a transmission assembly.
According to the locking device provided by the utility model, the locking piece is a pin rod, the pin rod is arranged along the axis of the locking main body, and two ends of the pin rod are arranged into a dome structure; or the like, or, alternatively,
the locking piece is of a ball structure.
According to the locking device provided by the utility model, the top end of the locking main body is of a conical structure.
The utility model also provides a power conversion system base which comprises a support frame, a liquid connector, an electric connector and at least one locking device, wherein the liquid connector, the electric connector and the locking device are respectively fixed on the support frame.
The utility model also provides an electric vehicle which comprises a locking device or a battery replacement system base.
According to the locking device provided by the utility model, the locking pin can be switched to a locking state when the driving piece drives the locking pin to act, and the locking piece protrudes out of the locking main body and can be matched with the groove structure on the battery box, so that the locking purpose is achieved; when the battery box needs to be disassembled, the driving piece drives the locking pin to be switched to the unlocking state, and one part of the locking piece can slide into the unlocking groove, so that the locking piece can be retracted into the locking main body, and the battery box is convenient to take down. The locking device, the battery replacement system base and the locking and unlocking process of the vehicle are simple, and quick replacement of the battery box is facilitated.
Further, the battery replacement system base and the electric vehicle provided by the present invention have the same advantages as described above because the lock device is provided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a front view of a locking device provided by the present invention;
FIG. 2 is a left side view of a locking device provided by the present invention;
FIG. 3 is a cross-sectional view of a locking device provided by the present invention;
FIG. 4 is a front view of a base of a battery swapping system provided by the present invention;
FIG. 5 is a top view of a base of a battery swapping system provided in the present invention;
reference numerals:
1. a support frame; 2. A fluid connector; 3. An electrical connector;
4. a locking body; 5. A locking pin; 5a, unlocking a groove;
6. a locking member; 7. A drive member; 8. A position sensor;
9. and (6) a frame sleeve.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
In embodiments of the utility model, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The locking device of the embodiment of the present invention will be described below with reference to fig. 1 to 3, and the locking device can be applied to the fixing of a battery box in a vehicle or a battery compartment, and the battery box can be fixed by inserting the locking device into a frame sleeve 9 of the battery box and then locking the locking device by the locking device.
The locking device comprises a locking main body 4 and a locking pin 5, wherein a locking piece 6 capable of sliding along the radial direction of the locking main body 4 is arranged on the locking main body 4, and when the locking piece 6 slides along the radial direction of the locking main body 4 to protrude out of the outer wall of the locking main body 4, the locking piece can be matched with a groove on a frame sleeve 9 to limit the axial movement of the frame sleeve 9 along the locking main body 4, so that the battery box is locked.
The locking pin 5 is arranged in the locking body 4, and the outer wall of the locking pin is provided with an unlocking groove 5 a; the locking pin 5 has a locked state and an unlocked state and can be switched between the locked state and the unlocked state by a reciprocating process of action. In a locking state, the side wall of the locking pin 5 is abutted against the locking piece 6 so that the locking piece 6 protrudes out of the outer wall of the locking body 4, and at the moment, the locking piece 6 cannot slide into the locking body 4, so that the frame sleeve 9 is locked; in the unlocked state, the unlocking slot 5a is aligned with the locking member 6, and the unlocking slot 5a provides sufficient inward sliding space for the locking member 6 to make the locking member 6 suitable for sliding into the locking body 4.
It should be noted that, in the unlocked state, when the frame sleeve 9 slides outward in the radial direction of the locking body 4, the frame sleeve 9 acts on the locking member 6 to urge the locking member 6 to retract, and a separate driving structure is not required to drive the locking member 6 to retract inward, thereby further simplifying the structure of the locking device.
The driving piece 7 is connected with the locking pin 5, and the driving piece 7 can drive the locking pin 5 to move when in operation, so that the locking pin 5 is switched between a locking state and an unlocking state.
In some embodiments of the utility model, the locking pin 5 is axially slidably connected to the locking body 4 and is adapted to slide in the axial direction of the locking body 4 to switch between the locked state and the unlocked state. When the locking pin 5 slides to the unlocking groove 5a and is dislocated with the locking piece 6, the outer wall of the locking pin 5 is abutted against the locking piece 6, and locking is realized. In the process of switching from the unlocking state to the locking state, the locking pin 5 slides, and meanwhile, the end of the locking piece 6 slides out of the unlocking groove 5a, and the bottom of the unlocking groove 5a acts on the locking pin 5 and can provide power for the locking pin 5 to slide outwards.
Further, the driving member 7 is an electric cylinder, the electric cylinder is arranged along the axial direction of the locking main body 4, the movable end of the electric cylinder is in threaded connection with the locking pin 5, and the fixed end of the electric cylinder is fixedly connected with the locking main body 4 through a connecting rod. The flexible in-process of electronic jar can drive fitting pin 5 along the axial slip of locking main part 4, realizes the switching of fitting pin 5 state.
Optionally, a position sensor 8 is arranged on the electric cylinder, and the position sensor 8 is connected with a control circuit of the electric cylinder and used for obtaining the position information of the locking pin 5. The position sensor 8 can specifically adopt a proximity switch, is arranged on a movable rod of the electric cylinder and can synchronously move along with the locking pin 5. The position of the locking pin 5 can be determined by measuring the distance to the fixed end of the electric cylinder. The control circuit of the electric cylinder can control the operation of the electric cylinder according to the position information of the locking pin 5, so that the accuracy of locking and unlocking actions is ensured.
In other embodiments of the utility model, the locking pin 5 is rotatably connected to the locking body 4 and is adapted to be axially rotated to switch between the locked state and the unlocked state. When the locking pin 5 rotates towards the first direction to enable the end part of the locking piece 6 to slide out of the unlocking groove 5a, the side wall of the locking pin 5 is abutted against the end part of the locking piece 6, and the locking state is achieved at the moment; when the lock pin 5 is rotated in the direction opposite to the first direction, the unlocking groove 5a is returned to a position aligned with the lock member 6, and the lock member 6 is allowed to slide toward the unlocking groove 5a in the unlocked state.
Furthermore, the driving member 7 is a driving motor, and the driving motor is in transmission connection with the locking pin 5 through a transmission assembly. The transmission component can be a gear set, a belt transmission structure or a chain transmission structure. The rotation direction of the lock pin 5 can be controlled by controlling the rotation direction of the driving motor.
Optionally, an encoder is arranged on the locking pin 5 or the rotating shaft of the driving motor, and the encoder is connected with a control circuit of the driving motor so as to control the operation of the driving motor.
In an optional mode, the locking piece 6 is a pin rod, the pin rod is arranged along the axis of the locking main body 4, and two ends of the pin rod are arranged to be of a dome structure, so that the resistance of the pin rod to slide out of the unlocking groove 5a or the groove in the frame sleeve 9 is reduced, and the switching between the locking state and the unlocking state can be smoothly realized.
In another alternative, the locking element 6 is of a ball construction, the rounded surface of the ball itself reducing its resistance to sliding out of the unlocking slot 5a or the recess in the frame sleeve 9.
Further, the side wall of the unlocking groove 5a or the groove on the frame sleeve 9 is provided with an inclined surface or a cambered surface structure, so that the locking piece 6 can slide into or slide out of the unlocking groove 5a more smoothly.
In some embodiments of the present invention, the top end of the locking body 4 is a tapered structure, which can guide and position the battery pack during the installation process of the battery pack, and the installation is smoother.
As shown in fig. 4 and 5, an embodiment of the present invention further provides a power conversion system base, which includes a support frame 1, a fluid connector 2, an electrical connector 3, and at least one locking device as described above. The liquid connector 2, the electric connector 3 and the locking device are respectively fixed on the support frame 1. The liquid connector 2 can realize the communication of a water path of the battery pack, and the electric connector 3 can realize the connection of high voltage electricity, low voltage electricity and small signal wires. Liquid connector 2, electric connector 3 and locking device can also play the locate action jointly to the group battery, and liquid connector 2 and electric connector 3 can play the locate action of X, Y two directions to the group battery, and locking device can play the location of X, Y, Z three directions simultaneously, realizes the stable installation of group battery.
As shown in the figure, the locking devices can be arranged in a plurality of positions and are respectively arranged at four corners of the support frame 1, so that the battery pack can be better positioned and fixed.
The embodiment of the utility model also provides an electric vehicle which comprises the locking device or the battery replacement system base. After the frame sleeve 9 on the battery pack of the electric vehicle is sleeved on the locking main body 4, the locking main body can be fixed through the locking device, the switching between the locking state and the unlocking state can be realized by controlling the operation of the driving piece 7, and the battery replacement is more convenient.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A locking device, comprising:
the locking device comprises a locking body, a locking mechanism and a locking mechanism, wherein the locking body is provided with a locking piece which can slide along the radial direction of the locking body;
the locking pin is arranged in the locking main body, and an unlocking groove is formed in the locking pin; the locking pin has a locked state and an unlocked state; in the locking state, the side wall of the locking pin is abutted against the locking piece so that the locking piece protrudes out of the outer wall of the locking main body; in the unlocked state, the unlocking slot is aligned with the locking member so that the locking member is adapted to slide into the locking body;
the driving piece is connected with the locking pin and is suitable for driving the locking pin to act so as to switch between the locking state and the unlocking state.
2. Locking device according to claim 1, characterized in that said locking pin is slidingly connected to said locking body and is adapted to slide along the axial direction of said locking body to switch between said locked condition and said unlocked condition.
3. The locking device according to claim 2, wherein the driving member is an electric cylinder, and the electric cylinder is respectively connected to the locking body and the locking pin so as to be adapted to drive the locking pin to slide along the axial direction of the locking body.
4. The locking device according to claim 3, characterized in that a position sensor is arranged on the electric cylinder, and the position sensor is connected with a control circuit of the electric cylinder and used for obtaining the position information of the locking pin.
5. The locking device of claim 1, wherein the locking pin is rotationally coupled to the locking body and adapted to rotate axially to switch between the locked state and the unlocked state.
6. The locking device of claim 5, wherein the driving member is a driving motor, and the driving motor is in transmission connection with the locking pin through a transmission assembly.
7. The locking device of claim 1, wherein the locking member is a pin disposed along the locking body axis, the pin having two ends disposed in a dome configuration; or the like, or, alternatively,
the locking piece is of a ball structure.
8. The locking device of claim 1, wherein the top end of the locking body is of a tapered configuration.
9. A power conversion system base, characterized by comprising a support frame, a liquid connector, an electrical connector and at least one locking device as claimed in any one of claims 1 to 8, wherein the liquid connector, the electrical connector and the locking device are respectively fixed on the support frame.
10. An electric vehicle comprising a locking device as claimed in any one of claims 1 to 8 or a charging system base as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122650816.7U CN216184435U (en) | 2021-11-01 | 2021-11-01 | Locking device, trade electric system base and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122650816.7U CN216184435U (en) | 2021-11-01 | 2021-11-01 | Locking device, trade electric system base and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216184435U true CN216184435U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122650816.7U Active CN216184435U (en) | 2021-11-01 | 2021-11-01 | Locking device, trade electric system base and electric vehicle |
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| Country | Link |
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| CN (1) | CN216184435U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024027177A1 (en) * | 2022-07-30 | 2024-02-08 | 三一锂能有限公司 | Battery system unit, battery system, electrical working machine, and battery swapping station |
-
2021
- 2021-11-01 CN CN202122650816.7U patent/CN216184435U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024027177A1 (en) * | 2022-07-30 | 2024-02-08 | 三一锂能有限公司 | Battery system unit, battery system, electrical working machine, and battery swapping station |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230719 Address after: 410100 201, Floor 2, Maker Building, Sany Industrial City, No. 1, Sany Road, Changsha Economic Development Zone, Changsha, Hunan Province, China (Hunan) Pilot Free Trade Zone Patentee after: Sany Lithium Energy Co.,Ltd. Address before: 102206 5th floor, building 6, 8 Beiqing Road, Changping District, Beijing Patentee before: SANY HEAVY INDUSTRY Co.,Ltd. |
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| TR01 | Transfer of patent right |